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<b>consider </b><font color="Maroon">f</font> being   <a href="funct_2.html#NM1">Function</a> of <font color="Maroon">A</font>,<font color="Maroon">B</font>;<br/>
<b>reconsider </b><font color="Maroon">IT</font> = <span class="p1"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">f</font></span><a href="domain_1.html#K6">}</a></span> as  non <a href="xboole_0.html#V1">empty</a> <a href="fraenkel.html#V1" target="_self">functional</a>  <a href="hidden.html#M1">set</a>  <b>by </b><i/>;<br/>
<b>take </b>
<font color="Maroon">IT</font>
;<br/>

<b>let </b><font color="Maroon">g</font> be    <a href="subset_1.html#M1">Element</a> of <font color="Maroon">IT</font>;<br/>

<b>thus </b><a NAME="E3:29_1_1"/>
<font color="Maroon">g</font> is   <a href="funct_2.html#NM1">Function</a> of <font color="Maroon">A</font>,<font color="Maroon">B</font>
 <b>by </b><i><a class="ref" href="tarski.html#D1">TARSKI:def 1</a></i>;<br/>


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